This is first plug-in that allows you to insert Multi Google Map V.3 Objects into your post/blog, No require Google Map API Key.
Next version, this plug-in supports to display Multi Google Map on Popup.
By the way , If you have any questions or suggestions, please feel free to contact me. (siripol.n at gmail dot com)

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If you wish to donate, you can donate to my paypal, click here.
Thanks to your support.